After installing mobile portlet and responsive theme, the WCM authoring portlet no longer works (basically you can't select any items)

com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0068E: Uncaught exception created in one of the service methods of the servlet /jsp/html/AuthoringUIView.jsp in application PA_WCM_Authoring_UI. Exception created : com.ibm.websphere.servlet.error.ServletErrorReport: java.lang.NoClassDefFoundError: com.ibm.workplace.wcm.domain.user.ScopedItemFacade (initialization failure)

at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:695)